-12} \atop {5-x<17}} \right.\\\\\left \{ {{-x>-12-5} \atop {-x<17-5}} \right.\\\\\left \{ {{-x>-17} \atop {-x<12}} \right.\\\\\left \{ {{x<17} \atop {x>-12}} \right." alt="1)-12<5-x<17\\\\\left \{ {{5-x>-12} \atop {5-x<17}} \right.\\\\\left \{ {{-x>-12-5} \atop {-x<17-5}} \right.\\\\\left \{ {{-x>-17} \atop {-x<12}} \right.\\\\\left \{ {{x<17} \atop {x>-12}} \right." align="absmiddle" class="latex-formula">
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- 12 17
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Ответ : (- 12 ; 17)
-1} \atop {5y+4<19}} \right. \\\\\left \{ {{5y>-1-4} \atop {5y<19-4}} \right.\\\\\left \{ {{5y>-5} \atop {5y<15}} \right.\\\\\left \{ {{y>-1} \atop {y<3}} \right." alt="2)-1<5y+4<19\\\\\left \{ {{5y+4>-1} \atop {5y+4<19}} \right. \\\\\left \{ {{5y>-1-4} \atop {5y<19-4}} \right.\\\\\left \{ {{5y>-5} \atop {5y<15}} \right.\\\\\left \{ {{y>-1} \atop {y<3}} \right." align="absmiddle" class="latex-formula">
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- 1 3
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Ответ : (- 1 ; 3)